An ADDitude survey of nearly 5,000 women found that 63% of respondents aged 45 and older said ADHD had the greatest impact on their lives during the menopausal transition.

Research published in European Psychiatry shows that women with ADHD reported their most severe perimenopausal symptoms from ages 35 to 39, almost a decade younger than women without ADHD. Their symptoms were also relatively more severe. The study does not yet confirm that hormonal changes begin earlier in women with ADHD, but research suggests significant perimenopause symptoms may emerge earlier than clinicians expect.

Fluctuating estrogen levels affect attention, memory, executive function, and emotional regulation. Hot flashes, poor sleep, anxiety, and brain fog add stress to an already strained nervous system in women with ADHD.

A large study in the journal Menopause found that one in three women aged 35 and older were unsure whether they were in perimenopause. About 16% attributed their uncertainty to barriers such as dismissive healthcare encounters, including being told they were "too young." Uncertainty was highest among women with the most severe symptoms, meaning the women most likely to benefit from intervention were least likely to know they were in perimenopause.

Patricia O. Quinn, M.D., a developmental pediatrician and international authority on ADHD, recommends tracking symptoms using a Perimenopause Log to identify patterns related to mood, menstrual cycle, ADHD, and cognition. If symptoms begin earlier than expected or if the diagnosis is unclear, doctors should test follicle-stimulating hormone (FSH) and estrogen levels. Women under 40 with irregular periods and perimenopause symptoms should ask whether they should be evaluated for primary ovarian insufficiency.

Quinn recommends hormone stabilization therapy (HST) to smooth disruptive hormonal swings. Estrogen therapy may relieve perimenopause symptoms and improve the effectiveness of ADHD stimulant medication. Women with a uterus using systemic estrogen need a progestogen to protect the uterine lining. ADHD medication may need dose, timing, or type adjustments during this stage. Birth control can smooth hormonal fluctuations, though progestin-only birth control may worsen mood and ADHD symptoms in some women. Antidepressants and other non-hormonal medications can help manage hot flashes, mood swings, anxiety, and depression.

Quinn advises women with ADHD to seek counseling, ADHD coaching, or peer-support groups for support during perimenopause.